{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Soy+Protein+Supplement",
    "query": {
      "intervention": "Soy Protein Supplement"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 33,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Soy+Protein+Supplement&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T07:04:47.243Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT00031746",
      "title": "Soy Protein Supplement in Preventing Prostate Cancer in Patients With Elevated Prostate-Specific Antigen Levels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "soy protein isolate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "casein proteins",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "50 Years and older · Male only"
      },
      "enrollment_count": 26,
      "start_date": "2000-02",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2016-07-19",
      "last_synced_at": "2026-09-11T07:04:47.243Z",
      "location_count": 5,
      "location_summary": "Washington D.C., District of Columbia • Syracuse, New York • Winston-Salem, North Carolina + 1 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00031746"
    },
    {
      "nct_id": "NCT00203255",
      "title": "Clinical Study Examining Use of an Over-the-Counter Supplement for the Prevention of Menstrually-Associated Migraine Headache",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine Headache"
      ],
      "interventions": [
        {
          "name": "Soy Isoflavones",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 25,
      "start_date": "2003-05",
      "completion_date": "2005-03",
      "has_results": false,
      "last_update_posted_date": "2009-01-23",
      "last_synced_at": "2026-09-11T07:04:47.243Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00203255"
    },
    {
      "nct_id": "NCT02375113",
      "title": "Soy as an Innovative Dietary Component in Abdominal Obesity Management Amongst Peri- and Early Menopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Central Obesity"
      ],
      "interventions": [
        {
          "name": "soy supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The University of Texas at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 60 Years · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2012-09",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2024-05-10",
      "last_synced_at": "2026-09-11T07:04:47.243Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02375113"
    },
    {
      "nct_id": "NCT00597532",
      "title": "Effect of Soy Supplementation on Cellular Markers in Normal and Cancerous Breast Tissue: A Randomized Placebo Controlled Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Soy",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Milk",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 140,
      "start_date": "2002-08",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2016-04-13",
      "last_synced_at": "2026-09-11T07:04:47.243Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00597532"
    },
    {
      "nct_id": "NCT07704476",
      "title": "EXERT-BC Protein: Protein Supplementation to Improve Body Composition After Treatment for Breast Cancer",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Whey protein (60 grams)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "No protein",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "89 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 89 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2026-06",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-09-11T07:04:47.243Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07704476"
    },
    {
      "nct_id": "NCT00255125",
      "title": "Role of Soy Supplementation in Prostate Cancer Development",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Neoplasm"
      ],
      "interventions": [
        {
          "name": "Soy Supplement",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 86,
      "start_date": "2005-09",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2019-06-18",
      "last_synced_at": "2026-09-11T07:04:47.243Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00255125"
    },
    {
      "nct_id": "NCT00118846",
      "title": "Women's Isoflavone Soy Health (WISH) Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atherosclerosis"
      ],
      "interventions": [
        {
          "name": "25 gm soy protein supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "30 Years and older · Female only"
      },
      "enrollment_count": 350,
      "start_date": "2004-04-12",
      "completion_date": "2009-03-19",
      "has_results": true,
      "last_update_posted_date": "2023-05-06",
      "last_synced_at": "2026-09-11T07:04:47.243Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00118846"
    },
    {
      "nct_id": "NCT05551091",
      "title": "Glycomacropeptide and Women's Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "glycomacropeptide (GMP)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "Up to 90 Years · Female only"
      },
      "enrollment_count": 13,
      "start_date": "2019-04-09",
      "completion_date": "2022-07-05",
      "has_results": false,
      "last_update_posted_date": "2022-10-03",
      "last_synced_at": "2026-09-11T07:04:47.243Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05551091"
    },
    {
      "nct_id": "NCT03868631",
      "title": "Muscle Growth Following a Resistance Training Program in Men and Women Consuming Protein Supplements",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Skeletal Muscle Growth"
      ],
      "interventions": [
        {
          "name": "Whey protein supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Soy protein supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Point Loma Nazarene University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 61,
      "start_date": "2016-08-15",
      "completion_date": "2017-04-30",
      "has_results": true,
      "last_update_posted_date": "2020-02-27",
      "last_synced_at": "2026-09-11T07:04:47.243Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03868631"
    },
    {
      "nct_id": "NCT03796455",
      "title": "Fish Oil and HMB Supplementation in COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Capsule + Powder supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "stable tracer infusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Texas A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "45 Years to 100 Years"
      },
      "enrollment_count": 54,
      "start_date": "2018-04-25",
      "completion_date": "2020-04-01",
      "has_results": false,
      "last_update_posted_date": "2022-02-07",
      "last_synced_at": "2026-09-11T07:04:47.243Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03796455"
    }
  ]
}